CVE-2021-34663 : Security Advisory and Response

The jQuery Tagline Rotator WordPress plugin up to and including version 0.1.5 is vulnerable to Reflected Cross-Site Scripting, allowing attackers to inject arbitrary web scripts.

Understanding CVE-2021-34663

This CVE involves a security vulnerability in the jQuery Tagline Rotator WordPress plugin that enables Reflected Cross-Site Scripting attacks.

What is CVE-2021-34663?

The jQuery Tagline Rotator plugin, versions up to and including 0.1.5, uses $_SERVER['PHP_SELF'], making it susceptible to Reflected Cross-Site Scripting attacks.

The Impact of CVE-2021-34663

This vulnerability could be exploited by attackers to inject and execute malicious scripts on websites using the affected plugin.

Technical Details of CVE-2021-34663

This section covers specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises due to the improper use of $_SERVER['PHP_SELF'] in the ~/jquery-tagline-rotator.php file, which allows for the injection of malicious web scripts.

Affected Systems and Versions

The affected product is the jQuery Tagline Rotator plugin with versions up to and including 0.1.5.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting crafted web scripts through the plugin, leading to Cross-Site Scripting attacks.

Mitigation and Prevention

Learn how to protect your systems from CVE-2021-34663.

Immediate Steps to Take

To mitigate the risk, users are advised to uninstall the jQuery Tagline Rotator plugin immediately.

Long-Term Security Practices

Implementing regular security updates and audits for WordPress plugins can help prevent such vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates for all installed WordPress plugins to ensure protection against known vulnerabilities.